| Manufacturer | Allis Chalmers |
| Price | 7,172(USD) |
| Model | 190 |
| Equipment Type | Row-Crop Tractors |
| Factory | West Allis, Wisconsin, USA |
NEBRASKA TRACTOR TEST 886 2
| Description | Diesel 8-speed 2WD April 10 - 16, 1965 Link: Nebraska Tractor Test 886 file PTO performance Drawbar performance Gear 4 used for power test Gear 2 used for pull test |
| Power at rated engine speed | 77.20hp / 57.6kW |
| Fuel use | 5.3gal/hour / 20.1l/hour |
| Power at rated PTO speed | 72.33hp / 53.9kW |
| Max power | 65.33hp / 48.7kW |
| Max pull | 8663lbs / 3929kg |
NEBRASKA TRACTOR TEST 928 2
| Description | Gasoline 8-speed 2WD November 9 - 16, 1965 Link: Nebraska Tractor Test 928 file PTO performance Drawbar performance Gear 4 used for power test Gear 2 used for pull test |
| Power at rated engine speed | 75.37hp / 56.2kW |
| Fuel use | 7.2gal/hour / 27.3l/hour |
| Power at rated PTO speed | 70.18hp / 52.3kW |
| Max power | 63.10hp / 47.1kW |
| Max pull | 8753lbs / 3970kg |
ALLIS CHALMERS 190 POWER
| Drawbar (tested) | 65.33hp / 48.7kW |
| PTO (tested) | 77.20hp / 57.6kW |
ENGINES OVERVIEW
The Allis Chalmers 190 tractor is equipped with either a 4.3L 6-cylinder gasoline engine or a 4.9L 6-cylinder diesel engine, providing versatility in fuel choice. Key advantages of the gasoline engine include lower initial costs and ease of maintenance, while the diesel variant offers superior torque for heavy-duty applications. It's important to assess the intended use; gasoline may suit lighter tasks or general farming, whereas diesel excels in durability and efficiency for rigorous workloads.
| Description | Allis Chalmers 4.3L 6-cyl gasoline Allis-Chalmers 4.9L 6-cyl diesel |
ENGINE DETAIL 1
The Allis Chalmers 190, powered by a G2500 gasoline 6-cylinder engine, is characterized by its 265ci (4.3L) displacement and a compression ratio of 8:1, which contribute to moderate power output at a rated RPM of 2200. The dry air cleaner system can be advantageous for low maintenance in dusty conditions, but requires regular checks to prevent airflow restrictions. However, the relatively low compression ratio may limit engine efficiency compared to modern standards, making it less suitable for high-performance applications without modifications.
| Description | Allis Chalmers G2500 gasoline 6-cylinder liquid-cooled |
| Displacement | 265ci / 4.3L |
| Bore/Stroke | 3.75x4.00inches / 95 x 102mm |
| Air cleaner | dry |
| Compression | 8:1 |
| Rated RPM | 2200 |
| Firing order | 1-5-3-6-2-4 |
| Coolant capacity | 18qts / 17.0L |
| Sparkplug gap | 0.025inches / 0.635mm |
| Point gap | 0.016inches / 0.406mm |
| Intake valve clearance | 0.020inches / 0.508mm (hot) |
| Exhaust valve clearance | 0.025inches / 0.635mm (hot) |
ENGINE OIL 1
The Allis Chalmers 190 tractor features an oil capacity of 12 quarts (11.4 liters), essential for optimal engine lubrication and performance. Ensuring the correct oil level can prevent potential engine wear and improve efficiency, especially during heavy-duty operations. Regular oil checks and changes will enhance longevity and reliability, critical factors in agricultural applications.
| Oil capacity | 12qts / 11.4L |
ENGINE DETAIL 2
The Allis-Chalmers 190 tractor features a robust 6-cylinder liquid-cooled diesel engine with a displacement of 301 ci (4.9L) and a high compression ratio of 16.25:1, enhancing fuel efficiency and torque output. It operates at a rated RPM of 2200, making it suitable for heavy-duty agricultural tasks; however, challenges may include maintenance of the dry air cleaner and valve clearance adjustments, which are critical for optimal performance. The direct injection fuel system improves combustion efficiency, potentially delivering better power under load while reducing emissions, making it an excellent choice for farm operations requiring reliability and power.
| Description | Allis-Chalmers 2800 diesel 6-cylinder liquid-cooled |
| Displacement | 301ci / 4.9L |
| Bore/Stroke | 3.875x4.25inches / 98 x 108mm |
| Fuel system | direct injection |
| Air cleaner | dry |
| Compression | 16.25:1 |
| Rated RPM | 2200 |
| Firing order | 1-5-3-6-2-4 |
| Coolant capacity | 18qts / 17.0L |
| Intake valve clearance | 0.015inches / 0.381mm |
| Exhaust valve clearance | 0.015inches / 0.381mm |
ENGINE OIL 2
The Allis Chalmers 190 tractor has an oil capacity of 12 quarts (11.4 liters), which is relatively standard for tractors of its size, allowing for proper lubrication and operation of the engine components. A sufficient oil capacity helps in maintaining optimal performance and prolonging engine life; however, regular monitoring and maintenance are crucial to prevent oil depletion and contamination. Ensure you use the manufacturer-recommended oil type to minimize wear and maintain efficiency during agricultural tasks.
| Oil capacity | 12qts / 11.4L |
ALLIS CHALMERS 190 ENGINES
The Allis Chalmers 190 tractor offers versatility with options for both gasoline and diesel engines, featuring a 4.3L 6-cylinder gasoline engine and a more powerful 4.9L 6-cylinder diesel engine, which provide different torque characteristics and fuel efficiency profiles. The diesel variant tends to offer better fuel economy and torque for heavy-duty applications, while the gasoline model is generally lighter and may perform better in shorter, less intensive tasks. Consider your specific use case and fuel costs when choosing between the two, as well as maintenance differences inherent to each engine type.
| Description | Allis Chalmers 4.3L 6-cyl gasoline Allis-Chalmers 4.9L 6-cyl diesel |
TRANSMISSION
The Allis Chalmers 190 tractor features a two-speed Power Director transmission that offers 8 forward and 2 reverse gears, allowing for flexible speed control under various load conditions. One key advantage is the ability to shift the Power Director on-the-move without using the clutch, which improves operational efficiency during field work. However, the requirement to stop the tractor to select specific gears may limit quick directional changes.
| Transmission | Power Director |
| Type | two-speed power shift |
| Gears | 8 forward and 2 reverse |
| Clutch | dry disc |
| Oil capacity | 32qts / 30.3L 38qts / 36.0L (S/N 23000 and up) |
| Description | The transmission is controlled by means of the gear shift lever and the Power Director lever. The tractor must be stopped, and clutch used, to select one of four forward gears, or reverse. The Power Director lever has high, low, and neutral positions. The Power Director can be shifted on the move without clutching. Placing the Power Director into neutral causes the tractor to stop while keeping the PTO engaged |
SPEEDS
| Description | With 15.5-38 rear tires |
MECHANICAL
The Allis Chalmers 190 features a 4x2 two-wheel drive chassis, making it suitable for flat terrains and light-duty operations, but may struggle in wet or hilly conditions. The hydraulic power steering enhances maneuverability, while the band-actuated disc brakes provide reliable stopping power, though they may require more maintenance than modern disc systems. With an 8-speed two-speed power shift transmission, it offers versatile speed and torque management, ideal for varied field tasks, although mastering the shifting may present a learning curve for operators.
| Chassis | 4x2 2WD |
| Steering | hydraulic power |
| Brakes | band actuated disc |
| Cab | Open operator station Factory cab available starting in 1965 |
| Transmission | 8-speed two-speed power shift |
CAPACITY
| Fuel | 48gal / 181.7L |
| Hydraulic system | 9gal / 34.1L |
HYDRAULICS
| Type | open center |
| Capacity | 9gal / 34.1L |
| Pressure | 2000psi / 137.9bar |
| Pump flow | 12gpm / 45.4lpm |
TRACTOR HITCH
| Rear Type | II |
| Type | Allis Snap-Coupler |
POWER TAKE-OFF (PTO)
| Rear PTO | live |
| Rear RPM | 540/1000/540/1000 |
ALLIS CHALMERS 190 TIRES
The Allis Chalmers 190 features Ag front tires (7.50-16) suited for enhanced maneuverability in tight spaces, while the rear tires (18.4-34) provide superior traction for heavy-duty fieldwork and increased stability. This tire configuration benefits agricultural applications by balancing power delivery and ground contact. However, the larger rear tires may limit mobility in transport settings, so consider the operational environment when selecting this tractor.
| Ag front | 7.50-16 |
| Ag rear | 18.4-34 |
DIMENSIONS
| Wheelbase | 105.75inches / 268cm |
| Weight | 7665lbs / 3476kg |
DIMENSIONS & TIRES
The Allis Chalmers 190 tractor features a relatively long wheelbase of 105.75 inches, which enhances stability and handling, especially when navigating uneven terrain. Weighing 7,665 lbs, it provides good traction for heavy-duty tasks, but may present challenges in maneuverability in tighter spaces. The combination of front tires (7.50-16) and rear tires (18.4-34) offers a strong footprint for soil engagement, making it suitable for both fieldwork and heavy agricultural applications.
| Wheelbase | 105.75inches / 268cm |
| Weight | 7665lbs / 3476kg |
| Front tire | 7.50-16 |
| Rear tire | 18.4-34 |
190 SERIAL NUMBERS
| Location | Serial number on the left side of the tractor, stamped into the flange where the engine and transmission meet |
| 1964 | 1001 |
| 1965 | 2485 |
| 1966 | 8219 |
| 1967 | 13273 |
| 1968 | 19262 |
| 1969 | 23234 |
| 1970 | 25901 |
| 1971 | 29136 |
| 1972 | 31118 |
BELT PULLEY
| Diameter | 9inches / 22cm |
| Width | 6.6inches / 16cm |
| RPM | 1845 |
| Speed | 4347ft/min / 1324.97meters/min |
ELECTRICAL
| Ground | negative |
| Batteries | 1 (gas)/2 (diesel) |
| Battery volts | 12 |
| Battery AH | 53 (gas/LP) / 95 (gas optional) / 190 (diesel) |